Question
In a group of 5 boys and 4 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
More Permutation and combination Questions
- Find the number of ways to arrange each letter of the word 'RECREATION' such that all the vowels always come together.
- In how many ways can a squad of 10 people be selected from 9 trainees and 5 supervisors such that the squad has at least 8 trainees?
- From a group of 8 girls and 7 boys, a committee of 9 is to be formed. In how many ways can the committee be formed if it must include at least 6 girls?
- In how many different ways can the letter of the word ‘PRAISE’ be arranged?
- Find total number of ways in which the word “ASSESSMENT” can be arranged.
- In how many ways can the letters of the word LEVEL be arranged?
- In how ways can the selection be made so that a particular member is always included?
- 7 children are to be selected from a group of 8 boys and 6 girls. In how many ways will the children with at most 3 girls and at least 4 boys be selected?
- There are 3 identical toys and 4 identical books. How many distinct arrangements are possible on a shelf such that all three toys do not appear together?
- Number of 4-digit numbers that can be formed using digits 1–9 without repetition and are divisible by 5.
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